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    <title>Qualifiers</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="Qualifiers"></a>
        <h1>Qualifiers</h1>
        <p>
            OpenCL qualifiers.
        </p>
      </div>
      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
          These are the qualifiers available in the OpenCL C programming language. Click on a
          category name in the table below to see information about specific qualifiers.
        </p>
        <div class="informaltable">
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                <td align="left">
                            <a class="citerefentry" href="accessQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Access Qualifiers</span></span></a>
                        </td>
                <td align="left">
<div class="literallayout"><p>__read_only, read_only<br />
__write_only, write_only<br />
__read_write, read_write</p></div>
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <code class="function">Address Space Qualifiers</code>
                        </td>
                <td align="left">
<div class="literallayout"><p><a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local, local</span></span></a><br />
<a class="citerefentry" href="global.html"><span class="citerefentry"><span class="refentrytitle">__global, global</span></span></a><br />
<a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant, constant</span></span></a><br />
<a class="citerefentry" href="private.html"><span class="citerefentry"><span class="refentrytitle">__private, private</span></span></a></p></div>
                        </td>
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                            <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Function Qualifiers</span></span></a>
                        </td>
                <td align="left">
<div class="literallayout"><p>__kernel, kernel<br />
__attribute__ with work_group_size_hint, reqd_work_group_size, vec_type_hint</p></div>
                        </td>
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                            <a class="citerefentry" href="attributes-types.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for  Type</span></span></a>
                        </td>
                <td align="left">
                            __attribute__ with aligned, packed
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <a class="citerefentry" href="attributes-variables.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for Variables</span></span></a>
                        </td>
                <td align="left">
                            __attribute__ with aligned, packed, endian
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <a class="citerefentry" href="attributes-blocksAndControlFlow.html"><span class="citerefentry"><span class="refentrytitle">Attribute Qualifiers for Blocks and Control Flow Statements</span></span></a>
                        </td>
                <td align="left">
                            __attribute__
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <a class="citerefentry" href="storageQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Storage-class Qualifiers</span></span></a>
                        </td>
                <td align="left">
                            typedef, extern, static
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <code class="function">C99 Type Qualifiers</code>
                        </td>
                <td align="left">const, restrict, volatile
<p>
The type qualifiers const, restrict and volatile as defined by the C99 specification are supported.
These qualifiers cannot be used with <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_t</span></span></a>, <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a>,
<a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_array_t</span></span></a>, <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_t</span></span></a>, <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_buffer_t</span></span></a> and <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_array_t</span></span></a> types.
Types other than pointer types shall not use the restrict qualifier.</p>
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />

            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.2.pdf#page=222" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2011 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
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